Re-added loop recording code to depends.py
removed references to loopbuffer
new version of loop recording to a file.
new loop recorder code now compiles
Fixed shutdown error.
Added method to get a pointer to the loop recorder.
Now connects loop recorder signals.
Re-added slots for recording
Fixed typo incorrect variable name.
Modified loop recorder variable names in engine master.
fixed variable typo
Changed ownership of control objects, so that x-thread control works.
Enable recording from master output.